Primary side and secondary side coil disc alignment method, alignment equipment and wireless electric energy transmission system
A technology of secondary coils and primary coils, applied in the direction of electrical components, circuit devices, etc., can solve the problems of complex adjustment process, unfavorable practical application, and inability to guarantee the accuracy of coil alignment, and achieve simple and accurate alignment in the detection process , high precision effect
Active Publication Date: 2018-03-02
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology
[0003] There are many methods suitable for coil alignment in the prior art, but usually need to detect more physical quantities, and the adjustment process is complicated, the accuracy of coil alignment cannot be guaranteed, and it is not conducive to practical application
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[0023] Such as figure 1 As shown, the present invention proposes a method for aligning primary and secondary coil disks, which includes the following steps:
[0024] Step 1. Taking the central position of the primary coil disk as the origin of the three-dimensional coordinate system, detect the offset angle between the secondary coil disk and the primary coil disk in the horizontal direction, and the relative offset of the two coil disks in the horizontal direction can be decomposed into The single-direction offset along the X-axis and Y-axis, correspondingly, the offset angle can be decomposed into the offset angle a of the secondary coil disk and the primary coil disk in the X-axis direction, the secondary coil disk and the primary coil disk at Offset angle b in the Y-axis direction;
[0025] Step 2, adjusting the position of the primary side coil disk in the horizontal direction according to the detected offset angle a and offset angle b;
[0026] Step 3. Determine whethe...
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The invention discloses a primary side and secondary side coil disc alignment method, alignment equipment and a wireless electric energy transmission system. The primary side and secondary side coil disc alignment method comprises the following steps of step1, taking a center position of a primary side coil disc as an original point of a three-dimensional coordinate system, and detecting deviationangles of a secondary side coil disc and the primary side coil disc at a horizontal direction; step2, according to the detected deviation angles, adjusting a position of the primary side coil disc atthe horizontal direction; and step3, determining whether the deviation angles are 0, if the deviation angles are 0, determining that the primary side and secondary side coil discs are aligned, otherwise, repeating the step1. In the invention, accurate alignment of the primary side and secondary side coil discs can be realized.
Description
technical field [0001] The present invention relates to the technical field of wireless power transmission, in particular to a primary and secondary coil disk alignment method, alignment equipment and a wireless power transmission system. Background technique [0002] At present, wireless power transmission technology is applied to more and more occasions, and corresponding technical problems such as transmission efficiency and transmission power are derived from it. Among them, whether the primary and secondary coil disks can be aligned in parallel becomes an important factor affecting transmission efficiency and transmission power. Experiments by many experts and scholars have proved that if the original and secondary coil disks are offset from each other by more than 20% of the radius in the horizontal direction, the coil transmission efficiency and transmission power will be greatly reduced, which will become the dominant factor affecting the overall effect of wireless p...
Claims
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Login to View More IPC IPC(8): H02J50/90
CPCH02J50/90
Inventor 赵智杰雷龙许敏杨中厦方明占
Owner GREE ELECTRIC APPLIANCES INC